Intense smoke from historic wildfires that is filling the lungs of millions of westerners is now clouding skies all the way across the nation.

AccuWeather Meteorologist Matt Benz says you can draw a line from California through St. Louis and on to Norfolk, Virginia – pretty much everyplace north of that line is looking at smoke-tainted skies. Areas south of that line see less smoke due to air coming up from the Gulf.

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“Amazingly, that wildfire smoke has traveled thousands of miles and finally has reached the East,” Benz told USA TODAY. “It looks like clouds, but it is smoke. And we are stuck with this until the weather pattern changes.”

The National Weather Service forecast for Washington, D.C., on Tuesday called for few clouds through the day. “However, smoke from wildfires will likely continue to obscure the sky to some extent,” the Weather Service said.

Read more at USA Today.